A plant can have green (G) or yellow (g) leaves. It can also have a long (K) or
short (k) stem. A scientist is preparing a Punnett square for a dihybrid cross
of a plant with a genotype GGKk. What possible gametes can the plant
produce?
A. GG, Kk
B. GK, gk
C. GK, Gk, gk, gK
D. GK. Gk